Home / 3,132.44-4,322.52-1,805.26

Finding the Fourth Proportional to 3,132.44, 4,322.52 and 1,805.26

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Solution

The fourth proportional to 3,132.44, 4,322.52 and 1,805.26 is: 2,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.44 : 4,322.52 = 1,805.26 : x
  2. Step 2: Convert to fraction form
    3,132.44/4,322.52 = 1,805.26/x
  3. Step 3: Cross multiply
    3,132.44x = 4,322.52 × 1,805.26
  4. Step 4: Simplify right side
    3,132.44x = 7,803,272.46
  5. Step 5: Solve for x
    x = 7,803,272.46/3,132.44
  6. Step 6: Final answer
    x = 2,491.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.